KY-004

KY-004 Button-module KY-004 Button-module Contents 1 Picture ................................................................................................................................................................. 1 2 Technical data / Short description ....................................................................................................................... 1 3 Pinout ................................................................................................................................................................... 2 4 Code example Arduino ......................................................................................................................................... 2 5 Code example Raspberry Pi ................................................................................................................................. 3 Picture Technical data / Short description By pressing the button, the signal circuit is switched. Export: 16.06.2017 Copyright by Joy-IT - Published under CC BY-NC-SA 3.0 Page 22 of 214 KY-004 Button-module Pinout Code example Arduino This example will light up a LED after the button is pressed. The module KY-011, KY-016 or KY-029 can be used as a LED. int Led = 13 ;// Declaration of the LED-output pin int Sensor = 10; // Declaration of the sensor input pin int val; // Temporary variable void setup () { pinMode (Led, OUTPUT) ; // Initialization output pin pinMode (Sensor, INPUT) ; // Initialization sens...